diff --git a/P8/prueba.c b/P8/prueba.c
deleted file mode 100644
index f340d80fe0888ed003ccd377c4d916d6ab718b10..0000000000000000000000000000000000000000
--- a/P8/prueba.c
+++ /dev/null
@@ -1,224 +0,0 @@
-/**
- * Practica Tema 8: ICMP-TIMESTAMP
- *
- * Redondo Calleja, Daniel
- * Jimenez Prieto, Roberto
- *
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <sys/socket.h>
-#include <arpa/inet.h>
-#include <netinet/in.h>
-#include <sys/time.h>
-#include "ip-icmp.h"
-
-#define ICMP_TIMESTAMP 13
-#define ICMP_TIMESTAMP_REPLY 14
-#define TIMEOUT 5 // Tiempo de espera en segundos
-
-void crearICMPRequest(TimeStamp *icmp_msg);
-unsigned short checksum(void *b, int len);
-void imprimeError(unsigned char type, unsigned char code);
-
-int main(int argc, char *argv[]) {
- if (argc < 2 || argc > 3) {
- fprintf(stderr, "Uso: %s ip [-v]\n", argv[0]);
- exit(EXIT_FAILURE);
- }
-
- int verbose = (argc == 3 && strcmp(argv[2], "-v") == 0);
- const char *ip = argv[1];
- int sockfd;
- struct sockaddr_in dest_addr, local_addr;
-
- // Crear socket RAW para ICMP
- sockfd = socket(AF_INET, SOCK_RAW, IPPROTO_ICMP);
- if (sockfd < 0) {
- perror("Error al crear el socket");
- exit(EXIT_FAILURE);
- }
-
- memset(&dest_addr, 0, sizeof(dest_addr));
- dest_addr.sin_family = AF_INET;
- dest_addr.sin_port = 0; // Inicializar sin_port
- if (inet_pton(AF_INET, ip, &dest_addr.sin_addr) <= 0) {
- perror("Error al convertir la dirección IP");
- close(sockfd);
- exit(EXIT_FAILURE);
- }
-
- // Asociar socket a la dirección local
- memset(&local_addr, 0, sizeof(local_addr));
- local_addr.sin_family = AF_INET;
- local_addr.sin_addr.s_addr = INADDR_ANY;
- local_addr.sin_port = 0;
- if (bind(sockfd, (struct sockaddr *)&local_addr, sizeof(local_addr)) < 0) {
- perror("Error al asociar el socket a la dirección local");
- close(sockfd);
- exit(EXIT_FAILURE);
- }
-
- // Construir el mensaje ICMP
- TimeStamp icmp_msg;
- crearICMPRequest(&icmp_msg);
-
- // En modo verbose, imprime los detalles del datagrama enviado
- if (verbose) {
- printf("-> Type: %d\n", icmp_msg.icmpHdr.type);
- printf("-> Code: %d\n", icmp_msg.icmpHdr.code);
- printf("-> PID : %d\n", icmp_msg.pid);
- printf("-> Seq Numbr: %d\n", ntohs(icmp_msg.sequence));
- printf("-> Originate: %u ms\n", icmp_msg.originate);
- printf("-> Receive: 0 ms\n");
- printf("-> Transmit: 0 ms\n");
- printf("-> Tamanyo del Datagrama: %ld bytes\n", sizeof(TimeStamp));
- }
-
- // Enviar mensaje ICMP
- printf("-> Enviando Datagrama ICMP a Destino con IP: %s\n", ip);
- if (sendto(sockfd, &icmp_msg, sizeof(icmp_msg), 0, (struct sockaddr *)&dest_addr, sizeof(dest_addr)) < 0) {
- perror("Error al enviar el datagrama");
- close(sockfd);
- exit(EXIT_FAILURE);
- }
- printf("-> Timestamp Request enviado correctamente...\n");
-
- // Configurar timeout
- fd_set readfds;
- FD_ZERO(&readfds);
- FD_SET(sockfd, &readfds);
-
- struct timeval timeout = {TIMEOUT, 0};
- int sel = select(sockfd + 1, &readfds, NULL, NULL, &timeout);
- if (sel < 0) {
- perror("Error en select");
- close(sockfd);
- exit(EXIT_FAILURE);
- } else if (sel == 0) {
- printf("-> Tiempo de espera agotado para %s\n", ip);
- close(sockfd);
- exit(EXIT_FAILURE);
- }
-
- // Recibir respuesta
- TimeStampReply recv_reply;
- socklen_t addr_len = sizeof(dest_addr);
- if (recvfrom(sockfd, &recv_reply, sizeof(recv_reply), 0, (struct sockaddr *)&dest_addr, &addr_len) < 0) {
- perror("Error al recibir el datagrama");
- close(sockfd);
- exit(EXIT_FAILURE);
- }
-
- // Verificar tipo de respuesta
- printf("\n-> Timestamp Reply recibido desde %s\n", ip);
- if (recv_reply.icmpMsg.icmpHdr.type == ICMP_TIMESTAMP_REPLY && recv_reply.icmpMsg.icmpHdr.code == 0) {
- int originate = recv_reply.icmpMsg.originate;
- int receive = recv_reply.icmpMsg.receive;
- int transmit = recv_reply.icmpMsg.transmit;
-
- struct timeval end_time;
- gettimeofday(&end_time, NULL);
- int t4 = (end_time.tv_sec * 1000) + (end_time.tv_usec / 1000);
- int rtt = (receive - originate) + (t4 - transmit);
-
- if (verbose) {
- printf("-> Originate: %u ms\n", originate);
- printf("-> Receive: %u ms\n", receive);
- printf("-> Transmit: %u ms\n", transmit);
- printf("-> RTT: %u ms\n", rtt);
- printf("-> TTL: %d\n", recv_reply.ipHdr.TTL);
- printf("-> Tamanyo del Datagrama: %ld bytes\n", sizeof(TimeStampReply));
- }
-
- printf("-> Respuesta Correcta (Type %d, Code %d)\n", recv_reply.icmpMsg.icmpHdr.type, recv_reply.icmpMsg.icmpHdr.code);
- } else if (recv_reply.icmpMsg.icmpHdr.type == 3){
- imprimeError(recv_reply.icmpMsg.icmpHdr.type, recv_reply.icmpMsg.icmpHdr.code);
- }else {
- printf("-> ICMP Datagram Not Processed...\n");
- }
-
- close(sockfd);
- return EXIT_SUCCESS;
-}
-
-void crearICMPRequest(TimeStamp *icmp_msg) {
- memset(icmp_msg, 0, sizeof(TimeStamp));
- icmp_msg->icmpHdr.type = ICMP_TIMESTAMP;
- icmp_msg->icmpHdr.code = 0;
- icmp_msg->pid = getpid();
- icmp_msg->sequence = htons(0);
-
- struct timeval start_time;
- gettimeofday(&start_time, NULL);
- icmp_msg->originate = (start_time.tv_sec * 1000) + (start_time.tv_usec / 1000);
- icmp_msg->icmpHdr.checksum = 0;
- icmp_msg->icmpHdr.checksum = checksum(icmp_msg, sizeof(TimeStamp));
-}
-
-unsigned short checksum(void *b, int len) {
- unsigned short *buf = b;
- unsigned int sum = 0;
-
- for (; len > 1; len -= 2) {
- sum += *buf++;
- }
-
- if (len == 1) {
- sum += *(unsigned char *)buf;
- }
-
- sum = (sum >> 16) + (sum & 0xFFFF);
- sum += (sum >> 16);
- return ~sum;
-}
-
-void imprimeError(unsigned char type, unsigned char code) {
- const char *mensaje = "";
-
- if (type == 3) {
- switch (code) {
- case 0: mensaje = "Net Unreachable"; break;
- case 1: mensaje = "Host Unreachable"; break;
- case 2: mensaje = "Protocol Unreachable"; break;
- case 3: mensaje = "Port Unreachable"; break;
- case 4: mensaje = "Fragmentation Needed"; break;
- case 5: mensaje = "Source Route Failed"; break;
- case 6: mensaje = "Destination Network Unknown"; break;
- case 7: mensaje = "Destination Host Unknown"; break;
- case 8: mensaje = "Source Host Isolated"; break;
- case 11: mensaje = "Destination Network Unreachable for Type of Service"; break;
- case 12: mensaje = "Destination Host Unreachable for Type of Service"; break;
- case 13: mensaje = "Communication Administratively Prohibited"; break;
- case 14: mensaje = "Host Precedence Violation"; break;
- case 15: mensaje = "Precedence Cutoff in Effect"; break;
- default: mensaje = "Unknown Code"; break;
- }
- } else if (type == 5) {
- switch (code) {
- case 1: mensaje = "Redirect for Destination Host"; break;
- case 3: mensaje = "Redirect for Destination Host Based on Type-of-Service"; break;
- default: mensaje = "Unknown Code"; break;
- }
- } else if (type == 11) {
- switch (code) {
- case 0: mensaje = "Time-to-Live Exceeded in Transit"; break;
- case 1: mensaje = "Fragment Reassembly Time Exceeded"; break;
- default: mensaje = "Unknown Code"; break;
- }
- } else if (type == 12) {
- switch (code) {
- case 0: mensaje = "Pointer indicates the error"; break;
- case 1: mensaje = "Missing a Required Option"; break;
- case 2: mensaje = "Bad Length"; break;
- default: mensaje = "Unknown Code"; break;
- }
- } else {
- mensaje = "ICMP Error";
- }
-
- printf("-> %s (Type %d, Code %d)\n", mensaje, type, code);
-}